永城煤矿区

永城煤矿区永城煤矿区
  1. 永城煤矿区矿井经济环境价值综合评价

    Comprehensive Appraisal of Mine Economic-Environmental Value for Yongcheng Coal Mining Area

  2. 在初步估算永城煤矿区的环境成本的基础上,对该矿区某矿井经济环境综合价值进行了评价和分析。

    On the basis of estimating the environmental cost of Yongcheng mining area in Henan Province , comprehensive value of economy-environment of a coal mine is appraised and analyzed .

  3. 永城煤矿塌陷区水污染对鲫鱼外周血细胞数量的影响

    Changes of the Peripheral Blood Cell Quantity of Carassius auratus in Yongcheng Waterlogged Area Caused by Mining Coal